A572 Gr.65
Data verifiedASTM A572 Grade 65 tops the A572 family at 65 ksi yield. It is the American route to S460-class weight savings in buildings and bridges without leaving the familiar A572 specification and its welding practice.
Chemical composition
| Element | Content (%) |
|---|---|
| C | ≤0.26 |
| Si | ≤0.40 |
| Mn | ≤1.65 |
| P | ≤0.035 |
| S | ≤0.045 |
| Note | Nb/V microalloy type per ASTM A572 |
Weight percent, per the governing standard ranges. Actual values per heat are on the mill certificate.
Properties
| Yield strength | ≥450 MPa (65 ksi) |
| Tensile strength | ≥550 MPa (80 ksi) |
| Density | 7.85 g/cm³ |
Heat treatment
Supplied as-rolled; the highest-strength grade in the A572 family, achieved with a higher manganese window plus microalloying.
Equivalent grades
| Standard | Designation |
|---|---|
| din | S460M (near) |
| aisi | A572 Gr.65 |
| jis | SM570 (near) |
| gb | Q460 class (near) |
Compare side by side: A572 Gr.65 vs A572 Gr.60 · A572 Gr.65 vs S460ML
Equivalents overlap in chemistry and use but are not always identical — see our equivalents guide before substituting in certified designs.
Applications & Processing
Applications: High-rise columns, long-span trusses, heavy crane girders, weight-critical structures.
Processing: Good weldability for its class; follow AWS D1.1 preheat tables for the higher strength level.
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Ask for a quotationVisit NasteelSource: ASTM A572 published ranges · Last updated 2026-11-03. Data is indicative — verify critical values against the governing standard and mill certificate before use.